Confidence: Medium · Source: FCC ULS · As of 2026-09-09

AC4SA

Expired

VASILOPOULOS, KONSTADINOS G

Location: CLEARWATER, FL
Class: Amateur Extra
Granted: 1992-09-08
Expires: 2002-09-08
Previous call: KD4JXR
FRN: 0018590497

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Vanity availability

Unknown

Status unknown

No vanity-slot record on file for AC4SA. Either it has never been issued, is currently held by an active license, or hasn't been re-computed since its last freeing event.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

KV4SAcancelled· E
Vasilopoulos, Kostadinos GFLgranted 2020-02-29cancelled 2021-03-13
KX4XCcancelled· E
Vasilopoulos, Konstadinos GFLgranted 2020-02-10cancelled 2020-02-29

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4HCL 2026-09-09
KG4UZU 2026-09-09
KG4UZX 2026-09-09
KK4LMR 2026-09-09
W3EFZ 2026-09-09

Starting with AC4

All →

AC4VP FL · 2026-09-14
AC4UX CA · 2026-09-16
AC4SQ GA · 2026-09-19
AC4ZY TN · 2026-09-21
AC4FX TN · 2026-10-23

Full history → Vanity availability → Callsign genealogy →